Recently, new progress has been made in the preliminary work of the three railway projects under the 14th Five-Year Plan in Tibet and Xinjiang in the western region. The Bomi-Ranwu section of the Yunnan-Tibet Railway, the Bomi-Ranwu section of the Yunnan-Tibet Railway, and the Lop Nur-Ruoqiang railway have started engineering geological survey supervision bidding. Construction will start around 2023 and 2024; the construction of the second line of the Jinghe-Alashankou section of the Lanxin Railway will start construction drawing review and bidding, and it is expected to start construction before the end of 2022.

Bomi to Ranwu Railway

The Bomi-Ranwu Railway has been approved for construction by the National Railway Group in accordance with the National Railway Group's notice on the issuance of the National Railway Group's railway development plan in 2022. The project owner is Sichuan-Tibet Railway Co., Ltd., the construction funds come from the central funds, and the project investment ratio is 100% %. The tenderer is Sichuan-Tibet Railway Co., Ltd.

Project Overview: The Bomi-Ranwu Railway is located in Nyingchi City and Chamdo City in the southeastern part of the Tibet Autonomous Region. The line leads from the Chengdu end of the Bomi Station of the Sichuan-Tibet Railway under construction, goes back to Palong Zangbo, and is wired in the same channel as the national highway G318, and goes eastward through Songzong Town and Yupu Township in Bomi County to Ranwu Town in Basu County. East further extended conditions.

The new main line of this project is 134.44km long, passing through Bomi County, Nyingchi City, and Basu County, Chamdo City, including 93.85km/12 tunnels and 19.79km/16 bridges, with a bridge-to-tunnel ratio of 84.8%.

The position of the project in the national medium and long-term railway network planning

Scope and content of the bidding: The scope of this bidding is the engineering geological survey supervision and follow-up service work in the preliminary survey, fixed survey and supplementary survey within the scope of the Bomi-Ranwu railway engineering survey and design.

Division of tenders: This tender is divided into 1 tenders, tender number: RWDKJL.

The deadline for submitting bidding documents is: 10:00 on September 15, 2022, address: Beijing Construction Project Contracting and Trading Center.

Lop Nur to Ruoqiang Railway

The Lop Nor to Ruoqiang Railway is a planned construction project of the national medium and long-term railway network planning (2016-2030).

Project overview: The construction site of this project is in Bayingoleng Mongolian Autonomous Prefecture, Xinjiang Uygur Autonomous Region. The total length of the line is 298.32km, of which the new line from Luozhong to Milan is 236.29km, the Milan-Ruoqiang section of the Geku Railway is 60.98km, and the Harrow Railway Luozhong Station is 1.05km. The planned duration of the project is 30 months.

Bidding scope: Category I changes or complex geological survey supervision work in the preliminary survey, fixed survey, supplementary survey phase and implementation phase of the Lop Nur to Ruoqiang railway geological survey.

The position of the project in the national medium and long-term railway network planning

Lot division: a total of 1 lot, lot number: DKJ.

The main project content of the bidding section: Complete the geological survey supervision according to the notice on carrying out the railway engineering geological survey supervision work and the railway engineering geological survey supervision regulations and other relevant specifications.

The deadline for submission of bidding documents is 10:30 on September 9, 2022, and the location is: Xinjiang Uygur Autonomous Region Government Services and Public Resources Trading Center.

Lanxin Railway Jing-A Second Line

The construction of the second line of the Jinghe to Alashankou section of the Lanxin Railway has been approved by the National Development and Reform Commission with the approval of the National Development and Reform Commission on the feasibility study report of the Jinghe to Alashankou section of the Lanxin Railway. The project owner is China Railway Urumqi Bureau Group Co., Ltd., the construction funds come from the full capital, and the investment ratio is 100%. The tenderer is China Railway Urumqi Bureau Group Co., Ltd.

Project Overview: The construction site of this project is within the Xinjiang Uygur Autonomous Region. The Jinghe-Alashankou section of the Lanxin Railway is located in the northeastern part of the Bortala Mongolian Autonomous Prefecture. The line leads from Jinghe Station on the Lanxin Line and goes northwest along the west side of Lake Aibi, passing through the east of Jinghe County, and at the fifth The 83rd and 90th Divisions of the division crossed the Jinghe River and the Bortala River respectively and entered the eastern part of Bole City, then paralleled along the right side of S205, crossed the South Ring Road of Alashankou City and then connected to Alashankou Station.

From Jinghe to Alashankou, the second line is 69.7km long, and the double-track detour section is 12.757km. Jinghe Station will simultaneously build a 2.135km Jinghuo Line and a 13.809km capacity expansion and renovation project at Alashankou Station. The second line will be introduced into this station. Reconstruction, new comprehensive inspection yard in the domestic section of the A-Jiang Line, the second area of the reloading yard, and the renovation of the container reloading yard.

Main technical standards：Railway class: Class I; number of main lines: double lines; design speed of passenger train: 120 km/h; minimum curve radius: 800 meters; limited slope: 6‰, local downlink 7‰; traction type: electric power; traction quality: 4000 ton; effective length of arrival and departure line: 850 meters, part 880 meters; blocking method: automatic blocking. Keywords: engineering news, engineering construction, engineering construction information

Planned construction period: The construction period of the whole line is 2 years. The construction period of this bidding project: from the date of signing the contract to the completion of the completion of all the contents agreed in the contract and the approval of the project clearance budget document.

Scope of bidding: All construction drawing review content within the scope of the project design, including but not limited to on-site verification, construction drawing review, construction drawing budget review, change design document review, whether the design document is approved in accordance with environmental protection, water protection, pre-assessment of occupational disease hazards The report conducts the review of the design of occupational disease protection facilities, the bill of quantities, the review of equipment and materials, and the demonstration and review of major design adjustments.

The deadline for submission of bidding documents is 10:30 on September 9, 2022, and the venue is: Xinjiang Uygur Autonomous Region Government Services and Public Resources Trading Center. Editor/Zhao E